
package com.xgj.quartz.quartzItself.calendarDemo;

import static org.quartz.DateBuilder.dateOf;
import static org.quartz.JobBuilder.newJob;
import static org.quartz.SimpleScheduleBuilder.simpleSchedule;
import static org.quartz.TriggerBuilder.newTrigger;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.SchedulerMetaData;
import org.quartz.SimpleTrigger;
import org.quartz.impl.StdSchedulerFactory;
import org.quartz.impl.calendar.AnnualCalendar;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This example will demonstrate how calendars can be used to exclude periods of
 * time when scheduling should not take place.
 */
public class CalendarExample {

	public void run() throws Exception {
		final Logger log = LoggerFactory.getLogger(CalendarExample.class);

		log.info("------- Initializing ----------------------");

		// First we must get a reference to a scheduler
		SchedulerFactory sf = new StdSchedulerFactory();
		Scheduler sched = sf.getScheduler();

		log.info("------- Initialization Complete -----------");

		log.info("------- Scheduling Jobs -------------------");

		// Add the holiday calendar to the schedule
		AnnualCalendar holidays = new AnnualCalendar();

		// fourth of July (July 4) Independence Day Of USA
		Calendar fourthOfJuly = new GregorianCalendar(2005, 6, 4);
		holidays.setDayExcluded(fourthOfJuly, true);
		// halloween (Oct 31)
		Calendar halloween = new GregorianCalendar(2005, 9, 31);
		holidays.setDayExcluded(halloween, true);
		// christmas (Dec 25)
		Calendar christmas = new GregorianCalendar(2005, 11, 25);
		holidays.setDayExcluded(christmas, true);

		// tell the schedule about our holiday calendar
		sched.addCalendar("holidays", holidays, false, false);

		// schedule a job to run hourly, starting on halloween
		// at 10 am
		Date runDate = dateOf(0, 0, 10, 31, 10);

		JobDetail job = newJob(SimpleJob.class).withIdentity("job1", "group1")
				.build();

		SimpleTrigger trigger = newTrigger()
				.withIdentity("trigger1", "group1")
				.startAt(runDate)
				.withSchedule(
						simpleSchedule().withIntervalInHours(1).repeatForever())
				.modifiedByCalendar("holidays").build();

		// schedule the job and print the first run date
		Date firstRunTime = sched.scheduleJob(job, trigger);

		// print out the first execution date.
		// Note: Since Halloween (Oct 31) is a holiday, then
		// we will not run until the next day! (Nov 1)
		log.info(job.getKey() + " will run at: " + firstRunTime
				+ " and repeat: " + trigger.getRepeatCount() + " times, every "
				+ trigger.getRepeatInterval() / 1000 + " seconds");

		// All of the jobs have been added to the scheduler, but none of the
		// jobs
		// will run until the scheduler has been started
		log.info("------- Starting Scheduler ----------------");
		sched.start();

		// wait 30 seconds:
		// note: nothing will run
		log.info("------- Waiting 30 seconds... --------------");
		try {
			// wait 30 seconds to show jobs
			Thread.sleep(30L * 1000L);
			// executing...
		} catch (Exception e) {
			//
		}

		// shut down the scheduler
		log.info("------- Shutting Down ---------------------");
		sched.shutdown(true);
		log.info("------- Shutdown Complete -----------------");

		SchedulerMetaData metaData = sched.getMetaData();
		log.info("Executed " + metaData.getNumberOfJobsExecuted() + " jobs.");

	}

	public static void main(String[] args) throws Exception {

		CalendarExample example = new CalendarExample();
		example.run();
	}

}
